Finding the Third Proportional to 2,218,404 and 4,773,066

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,404 : 4,773,066 = 4,773,066 : x
2. Step 2: Convert to fraction form
   2,218,404/4,773,066 = 4,773,066/x
3. Step 3: Cross multiply
   2,218,404x = 4,773,066 × 4,773,066
4. Step 4: Simplify right side
   2,218,404x = 22,782,159,040,356
5. Step 5: Solve for x
   x = 22,782,159,040,356/2,218,404
6. Step 6: Final answer
   x = 10,269,616.82